21104732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7159}}^1$

素因数の和:7241

約数の個数: 24

約数和(自身を含む): 40897920

約数和(自身を除く): 19793188

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7159, 14318, 28636, 78749, 157498, 314996, 479653, 959306, 1918612, 5276183, 10552366, 21104732]

約数ペア:

[(1, 21104732), (2, 10552366), (4, 5276183), (11, 1918612), (22, 959306), (44, 479653), (67, 314996), (134, 157498), (268, 78749), (737, 28636), (1474, 14318), (2948, 7159)]